Backend Software Engineer (AI + Audio) - China

WATI.io; Hong Kong; On-site; HKD 60,000 - 90,000; Full time

Benefits offered by this job

Dynamic, mission-driven team

Mentorship from senior engineers

Onsite working environment

Exposure to real-world infrastructure challenges

Job summary

Dormont Manufacturing Co is seeking a talented Backend Software Engineer to join our team in Hong Kong. The role involves designing and optimizing real-time audio/video streaming services to enhance communication for our global customers.

Ideal candidates should hold a degree in Computer Science, have 2-4 years of backend experience, and be proficient in Go or Python. We offer a collaborative onsite environment with mentorship opportunities and a commitment to innovation.

Qualifications

• 2–4 years of backend development experience, ideally in real-time communications (RTC).
• Experience with audio/video codecs, streaming protocols, and media servers.
• Familiarity with cloud platforms and distributed systems.

Responsibilities

• Design, develop, and optimize real-time audio/video streaming services.
• Ensure high performance, low latency, and fault-tolerant communication pipelines.
• Collaborate with frontend, mobile, and product teams.

Skills

Backend development

Proficiency in Go or Python

Debugging skills

Knowledge of streaming protocols

Education

Bachelor’s or Master’s degree in Computer Science or related field

Tools

AWS

GCP

Job description

We’re looking for a Backend Software Engineer

We’re looking for a Backend Software Engineer with a strong background in AI + real-time audio to join our engineering team in China. You will play a key role in building and optimizing communication features that power high-quality, low-latency conversations for our global customers.

Responsibility

• Design, develop, and optimize real-time audio/video streaming services.
• Work with protocols such as WebRTC, SIP, RTP, or related technologies.
• Ensure high performance, low latency, and fault-tolerant communication pipelines.
• Collaborate with frontend, mobile, and product teams to deliver seamless user experiences.
• Write clean, scalable, and maintainable backend code.
• Troubleshoot and resolve production issues related to media services.

Requirements

• Bachelor’s or Master’s degree in Computer Science or related field.
• 2–4 years of backend development experience, ideally in real-time communications (RTC).
• Proficiency in Go or Python.
• Experience with audio/video codecs, streaming protocols, and media servers.
• Familiarity with cloud platforms (AWS, GCP) and distributed systems.
• Strong problem-solving and debugging skills.

Bonus Points

• Experience with WebRTC-based platforms.
• Experience with AI agents and voice LLM.
• Knowledge of scaling media services for large user bases.
• Contributions to open-source RTC projects.

Benefits

• Be part of a dynamic, mission‑driven team that values collaboration, ownership, and innovation.
• Opportunity to grow and learn from experienced senior engineers and tech leads.
• Onsite working environment that fosters close mentorship and real‑time collaboration.
• Exposure to building infrastructure that handles real-world scale and complexity.